19872995116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7210811}}^1$

素因数の和:7210881

約数の個数: 24

約数和(自身を含む): 38159617104

約数和(自身を除く): 18286621988

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7210811, 14421622, 28843244, 93740543, 187481086, 374962172, 382172983, 764345966, 1528691932, 4968248779, 9936497558, 19872995116]

約数ペア:

[(1, 19872995116), (2, 9936497558), (4, 4968248779), (13, 1528691932), (26, 764345966), (52, 382172983), (53, 374962172), (106, 187481086), (212, 93740543), (689, 28843244), (1378, 14421622), (2756, 7210811)]